CN102922131A - Optical fiber microsphere preparation device - Google Patents
Optical fiber microsphere preparation device Download PDFInfo
- Publication number
- CN102922131A CN102922131A CN201210462296XA CN201210462296A CN102922131A CN 102922131 A CN102922131 A CN 102922131A CN 201210462296X A CN201210462296X A CN 201210462296XA CN 201210462296 A CN201210462296 A CN 201210462296A CN 102922131 A CN102922131 A CN 102922131A
- Authority
- CN
- China
- Prior art keywords
- laser
- optical fiber
- speculum
- beam splitter
- direct current
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Optical Couplings Of Light Guides (AREA)
Abstract
The invention provides an optical fiber microsphere preparation device and relates to a microsphere preparation device. The optical fiber microsphere preparation device is provided with a CO2 laser, an LD (Laser Diode) indicator, a protective gold reflecting mirror, a beam splitter, a protective silver reflecting mirror, focusing lenses and a direct current motor, wherein the CO2 laser, the LD indicator, the protective gold reflecting mirror, the beam splitter, the protective silver reflecting mirror and the focusing lens are connected with in sequence and form two beams of CO2 laser together with the direct current motor to heat the rotating optical fiber microsphere preparation device; after being aligned with indicating light emitted by the LD indicator, laser outputted by the CO2 laser is transmitted to the beam splitter by the protective gold reflecting mirror; the beam splitter divides an incident laser beam into two beams of laser with the same power according to the power ratio of 50:50, and the two beams of laser are converged into a focal point overlapping area of the two focusing lenses after being respectively focused by the protective silver reflecting mirror and the focusing lenses; and the direct current motor drives the tail ends of rotating optical fibers to be heated and molten under the action of the two beams of CO2 laser, and a microsphere is formed under the action of surface tension.
Description
Technical field
The present invention relates to a kind of microballoon preparation facilities, particularly relate to a kind of optical fiber microballoon preparation facilities.
Background technology
The optical ball microcavity has huge application prospect because having high quality factor and minimum mode volume in quantrm electrodynamics, low threshold laser, nonlinear optics, fiber optic communication, quantum optices and sensor field.And the quality factor of optical ball microcavity, mainly diffraction loss, absorption loss and the diffusion into the surface loss by the ball microcavity consists of.The light energy of goal microcavity if be hunted down, loss is less, and its time of storing in the chamber is just longer, and quality factor is also just higher.Therefore by dielectric material, the ball microcavity made of passive dielectric material particularly, its surface smoothness and sphericity are better, and the quality factor of ball microcavity is also just higher.
Usually dielectric material is after the high-temperature heating melting, and the surface tension effects of nature makes the microballoon of formation have extraordinary surface smoothness and sphericity.At present, the method of high-temperature heating melting dielectric material mainly contains flame heating (V.B.Braginsky, M.L.Gorodetsky, and V.S.Ilchenko, " Quality-factor and non-linear properties of opticalwhispering-gallery modes; " Phys.Lett.A 137,393-397,1989), electric arc heated method (J.Laine, B.Little, andH.Haus, " Etch-eroded fiber coupler for whispering-gallery-mode excitation in high-Q silicamicrospheres; " IEEE Photon.Technol.Lett.11 (11), 1429-1430,1999), CO
2LASER HEATING method (L.Collot, V.Lefevre-Seguin, M.Brune, J.M.Raimond, and S.Haroche, " Very High-Q Whispering-GalleryMode Resonances Obserbed on Fused Silica Microspheres, " Europhys.Lett.23 (5), 327-334,1993) and microwave plasma torch heating (W.von Klitzing, E.Jahier, R.Long, F.Lissillour, V.Lefevre-Seguin, J.Hare, J.-M.Raimond, and S.Haroche, " Very Low Threshold Lasing in Er
3+Doped ZBLANMicrosphere, " Electron.Lett.35 (20), 1745-1746,1999).CO wherein
2The LASER HEATING method refers to by high power CO
2The laser beam of laser instrument emission is transferred to dielectric material through after the effect of some optical elements with laser energy, makes dielectric material be subject to high-temperature heating and melting, and form microballoon under capillary effect.Because of CO
2The laser work wavelength of laser instrument (about 10.6 μ m) is in the mid infrared region that is easily absorbed and change by dielectric materials such as glass, and it is controlled and carry the characteristics such as optical fiber handle that are easy to control to have laser power can accurately be controlled, heated perimeter is little, manufacturing process is easy and made microballoon size, and is adopted widely.
Summary of the invention
The object of the present invention is to provide a kind of optical fiber microballoon preparation facilities.
The present invention is provided with CO
2Laser instrument, laser diode LD indicator, protect golden speculum, beam splitter, protection silver speculum, condenser lens and direct current generator;
Described CO
2Laser instrument, LD indicator, protect golden speculum, beam splitter, protection silver speculum to be connected successively with condenser lens and consist of two bundle CO with direct current generator
2The microballoon preparation facilities of LASER HEATING spin fiber, described CO
2The laser of laser instrument output is with after the pilot light that the LD indicator sends is aimed at; through protecting golden speculum to transfer to beam splitter; the two bundle laser that beam splitter divides success rate to equate by 50: 50 power ratio incoming laser beam; and respectively after protecting silver-colored speculum and condenser lens to focus on; converge at the overlapping zone of two condenser lens focuses, direct current generator drives the optical fiber connector of rotation at two bundle CO
2Heating and melting and under surface tension effects, form microballoon under the effect of laser.
Described LD indicator can adopt the light path indicator of visible wavelength.
The golden speculum of described protection can be reflectivity R〉96% speculum.
Described beam splitter can be the dull and stereotyped beam splitter of zinc selenide that 7 ~ 14 μ m, 45 ° of incidents, 50: 50 power ratios are carried out light splitting.
The silver-colored speculum of described protection can be in the metallic mirror at the highest speculum of visible wavelength range internal reflection rate.
Described condenser lens can be CO
2The absorptivity of laser is less than 0.25% zinc selenide condenser lens.
Described direct current generator can be the direct current generator of the slow-speed of revolution and center shaft.
The present invention is that 50: 50 beam splitter is with CO by power ratio
2The laser of laser instrument output; the laser beam that is divided into transmission and reflection both direction; wherein the laser beam along the transmission direction transmission arrives one of them condenser lens after protecting silver-colored mirror reflects; and after protecting silver-colored mirror reflects, arrive another condenser lens of placing with previous condenser lens opposing parallel along the laser beam of reflection direction transmission; two bundle laser beams after two condenser lenses focus on, converge at the overlapping zone of two condenser lens focuses respectively.Because the optical fiber under direct current generator drives at the uniform velocity rotates, two bundle laser beams all equate in any original upload laser power and the power under any time simultaneously, so that optical fiber connector is subject to the identical heating and melting effect of two bundle constant power laser beams in all directions, the optical fiber connector of melting forms microballoon under surface tension effects.With respect to common based on CO
2The single beam microballoon preparation facilities of laser instrument, the direct current generator that the present invention possesses drives fiber spinning, and under two bundle laser action of constant power, the optical fiber connector of melting is stablized in all directions, uniform thermodynamic activity, thereby make the microballoon of making have not stray fiber handle, the extraordinary characteristics of surface smoothness and sphericity.The SiO that in embodiment, has selected standard traffic to use
2Single-mode fiber, and the length by the single-mode fiber end that loads different laser powers, different heat time heating time of control and be heated can be made the microballoon of various different sizes.
Description of drawings
Fig. 1 is that the structure of the embodiment of the invention forms schematic diagram.In Fig. 1, mark A is driven rotation, is restrainted CO by two by direct current generator
2Direction of rotation when the fiber optic materials lay down location of LASER HEATING, mark B are direct current generator work.
Fig. 2 is that embodiment direct current generator illustrated in fig. 1 drives fiber spinning and two bundle CO
2LASER HEATING fused optic fiber schematic diagram terminal and formation microballoon under surface tension effects.In Fig. 2, mark C is the transmissive portion laser beam after the beam splitter light splitting, and mark D is the reflecting part laser beam after the beam splitter light splitting.
Fig. 3 is the schematic diagram with the microballoon of optical fiber handle that the embodiment that goes out illustrated in figures 1 and 2 makes.
Fig. 4 is that the embodiment of the invention is utilized two bundle CO
2The schematic diagram of the microballoon that the microballoon preparation facilities of LASER HEATING spin fiber is made and conical fiber coupling.
Fig. 5 is the harmonic light spectrogram of embodiment illustrated in fig. 4.In Fig. 4, abscissa is wavelength (nm), and ordinate is transmitance (%).
The specific embodiment
Referring to Fig. 1, the embodiment of the invention is provided with CO
2Laser instrument 1, LD indicator 2, the golden speculum 3 of protection, the golden speculum 4 of protection, beam splitter 5, the silver-colored speculum 6 of protection, the silver-colored speculum 7 of protection, the silver-colored speculum 8 of protection, condenser lens 9, condenser lens 10 and direct current generator 11.Described CO
2Laser instrument 1, LD indicator 2, the golden speculum 3 of protection, the golden speculum 4 of protection, beam splitter 5, the silver-colored speculum 6 of protection, the silver-colored speculum 7 of protection, the silver-colored speculum 8 of protection, condenser lens 9 is connected successively with condenser lens 10 and consist of a kind of optical fiber microballoon preparation facilities, CO with direct current generator 11
2After the laser of laser instrument 1 output and accurate aligning of pilot light that LD indicator 2 sends; after protecting golden speculum 3 and the golden speculum 4 of protection, transfer to beam splitter 5; the two bundle laser that beam splitter 5 divides success rate to equate by 50: 50 power ratio incoming laser beam; and respectively after protecting silver-colored speculum 6, protection silver-colored speculum 7, condenser lens 9 and protecting golden speculum 8, condenser lens 10 reflections, focusing; converge at the overlapping zone of two condenser lens focuses, direct current generator 11 drives the optical fiber A end of rotation at two bundle CO
2Heating and melting and under surface tension effects, form microballoon under the effect of laser.In Fig. 1, mark B is direction of rotation.
The light path indicator that described LD indicator is visible wavelength.The golden speculum of described protection 3 and the golden speculum 4 of protection are reflectivity R〉96%, anti-damage and high-quality speculum easy to clean.Described beam splitter 5 is the dull and stereotyped beam splitter of zinc selenide that 7 ~ 14 μ m, 45 ° of incidents, 50: 50 power ratios are carried out light splitting.The silver-colored speculum 6 of described protection, the silver-colored speculum 7 of protection and protect silver-colored speculum 8 in the metallic mirror at the highest speculum of visible wavelength range internal reflection rate.Described condenser lens 9 and condenser lens 10 are to CO
2The absorptivity of laser is less than 0.25% zinc selenide condenser lens.Described direct current generator is the direct current generator of the slow-speed of revolution and center shaft.
The present invention is that 50: 50 beam splitter 5 is with CO by utilizing power ratio
2The laser of laser instrument 1 output; the laser beam that is divided into transmission and reflection both direction; laser beam along the transmission direction transmission arrives condenser lens 9 after protecting silver-colored speculum 7 reflections of silver-colored speculum 6 and protection; laser beam along the reflection direction transmission arrives the condenser lens 10 of placing with condenser lens 9 opposing parallel after protecting silver-colored speculum 8 reflections; after two bundle laser beams difference line focus lens 9 and condenser lens 10 focus on; converge at the overlapping zone of two condenser lens focuses, direct current generator 11 drives fiber spinning and heating and melting under the laser action of two bundle symmetry directions.Because the optical fiber under direct current generator drives at the uniform velocity rotates, two bundle laser beams all equate in any original upload laser power and the power under any time simultaneously, so that optical fiber connector is subject to the identical heating and melting effect of two bundle constant power laser beams in all directions, the optical fiber connector of melting forms microballoon under surface tension effects.
Referring to Fig. 2, get the SiO of a segment standard communication usefulness
2Single-mode fiber is peelled off the coat of optical fiber with wire stripper, is put into flame and draws on the cone machine its drawing-down, and be omitted and depart from cone waist place and block, and obtains the SiO with the conical fiber end
2Single-mode fiber is done confirmatory experiment, single-mode fiber with the conical fiber end is fixed in the shaft place, center of direct current generator 11, direct current generator 11 is installed on the three-dimensional trim holder 12, regulate three-dimensional trim holder 12, make the end of single-mode fiber be positioned at condenser lens 9 and the overlapping zone of condenser lens 10 focuses, open direct current generator 11 single-mode fiber that is fixed in shaft place, center is at the uniform velocity rotated, start CO
2Laser instrument 1 makes the single-mode fiber end be subjected to the symmetrical laser beam C of two bundles and D effect and melting in the process of at the uniform velocity rotation, and form microballoon under the surface tension effects of nature.Utilize two bundle CO
2The microballoon that the microballoon preparation facilities of LASER HEATING spin fiber is made, because direct current generator 11 drives heated optical fiber connector and at the uniform velocity rotates and provide the symmetrical laser beam of two bundles of heat to have equal power, the microballoon that therefore makes can the stray fiber handle and the good surface smoothness of non-product and sphericity is arranged.In Fig. 2, mark 11a is the center shaft of direct current generator 11, and mark 11b and mark 11c are that two of direct current generator 11 install and fix the hole, and mark B is direction of rotation.
Fig. 3 shows and utilizes two bundle CO
2The microballoon schematic diagram that the microballoon preparation facilities of LASER HEATING spin fiber makes, mark 13 is the optical fiber handle, mark 14 is microballoon.Enter the fiber lengths of two condenser lens focus overlapping regions by different power output and the single-mode fiber ends of control laser instrument, and impose the different heating and melting time, just can obtain the microballoon of various different sizes.Wherein the diameter of optical fiber handle is mainly determined by the size of the conical fiber that draws.
Fig. 4 has provided and has utilized testing with the microballoon of optical fiber handle and the coupled resonance of conical fiber of preparing, wideband light source 16 provides the loading laser signal of microballoon and conical fiber coupling measurement, being transferred to cone waist diameter through the single-mode fiber 17 of a segment standard communication usefulness is the conical fiber 18 of 2.1 μ m, regulate three-dimensional trim holder 12, make between the microballoon 14 that is fixed on the fibre clip 15 and the conical fiber 18 and reach the Best Coupling zone, in the ball microcavity, produce echo wall die resonance, conical fiber 18 also can be the signal extraction after being coupled by microballoon 14 out simultaneously, and be transferred to single-mode fiber 19, demonstrate coupled resonance situation between conical fiber and the microballoon at the spectrometer 20 that connects single-mode fiber 19.In Fig. 4, mark 13 is the optical fiber handle.
Fig. 5 is the harmonic light spectrogram of embodiment illustrated in fig. 4.The sweep spacing of spectrometer is located at 1525 ~ 1575nm wave-length coverage, the mode of resonance wavelength interval that the 3.88nm of mark records for experiment among the figure, and by theoretical formula Δ λ=λ
2/ mode of resonance wavelength interval that (2 π na) calculates is 3.87nm, and both are very identical, and the mode of resonance wavelength that exists in microballoon when λ is conical fiber and the coupling of ball microcavity here can be similar to and be taken as 1.55 μ m, and n is the SM-28 of Corning Incorporated
TMThe refractive index of the microballoon that single-mode fiber is made is that 1.4682, a is the radius of microballoon, is 67.3 μ m.
Claims (7)
1. an optical fiber microballoon preparation facilities is characterized in that being provided with CO
2Laser instrument, laser diode LD indicator, protect golden speculum, beam splitter, protection silver speculum, condenser lens and direct current generator;
Described CO
2Laser instrument, LD indicator, protect golden speculum, beam splitter, protection silver speculum to be connected successively with condenser lens and consist of two bundle CO with direct current generator
2The microballoon preparation facilities of LASER HEATING spin fiber, described CO
2The laser of laser instrument output is with after the pilot light that the LD indicator sends is aimed at; through protecting golden speculum to transfer to beam splitter; the two bundle laser that beam splitter divides success rate to equate by 50: 50 power ratio incoming laser beam; and respectively after protecting silver-colored speculum and condenser lens to focus on; converge at the overlapping zone of two condenser lens focuses, direct current generator drives the optical fiber connector of rotation at two bundle CO
2Heating and melting and under surface tension effects, form microballoon under the effect of laser.
2. a kind of optical fiber microballoon preparation facilities as claimed in claim 1 is characterized in that described LD indicator adopts the light path indicator of visible wavelength.
3. a kind of optical fiber microballoon preparation facilities as claimed in claim 1 is characterized in that the golden speculum of described protection is reflectivity R〉96% speculum.
4. a kind of optical fiber microballoon preparation facilities as claimed in claim 1 is characterized in that beam splitter is the dull and stereotyped beam splitter of zinc selenide that 7 ~ 14 μ m, 45 ° of incidents, 50: 50 power ratios are carried out light splitting.
5. a kind of optical fiber microballoon preparation facilities as claimed in claim 1 is characterized in that the silver-colored speculum of described protection is at the highest speculum of visible wavelength range internal reflection rate in the metallic mirror.
6. a kind of optical fiber microballoon preparation facilities as claimed in claim 1 is characterized in that described condenser lens is to CO
2The absorptivity of laser is less than 0.25% zinc selenide condenser lens.
7. a kind of optical fiber microballoon preparation facilities as claimed in claim 1 is characterized in that described direct current generator is the direct current generator of the slow-speed of revolution and center shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210462296.XA CN102922131B (en) | 2012-11-16 | 2012-11-16 | Optical fiber microsphere preparation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210462296.XA CN102922131B (en) | 2012-11-16 | 2012-11-16 | Optical fiber microsphere preparation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102922131A true CN102922131A (en) | 2013-02-13 |
| CN102922131B CN102922131B (en) | 2014-12-10 |
Family
ID=47637133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210462296.XA Expired - Fee Related CN102922131B (en) | 2012-11-16 | 2012-11-16 | Optical fiber microsphere preparation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102922131B (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103311788A (en) * | 2013-06-28 | 2013-09-18 | 厦门大学 | Preparation method of bottle-type optical micro resonant cavity |
| CN103345021A (en) * | 2013-06-28 | 2013-10-09 | 厦门大学 | Method for manufacturing hemi-spherical optical micro-resonant-cavity |
| CN105855695A (en) * | 2016-05-11 | 2016-08-17 | 四川大学 | Rotary uniformly heated microprobe tip hot forming device |
| CN106384931A (en) * | 2016-11-10 | 2017-02-08 | 濮阳光电产业技术研究院 | Swept laser based on optical fluid |
| CN106914701A (en) * | 2017-03-01 | 2017-07-04 | 绍兴创新激光科技有限公司 | A kind of robotic laser's welding method and system |
| CN107631998A (en) * | 2017-10-07 | 2018-01-26 | 六安市华海电子器材科技有限公司 | A kind of portable spectrometer and method for liquid detection |
| CN107764294A (en) * | 2017-11-03 | 2018-03-06 | 中国航空工业集团公司北京长城计量测试技术研究所 | A kind of optical fiber Fabry-Perot sensor welding packaging system |
| CN108429126A (en) * | 2018-02-06 | 2018-08-21 | 哈尔滨工程大学 | One kind mixing thulium microballoon cavity laser and preparation method thereof |
| CN109633821A (en) * | 2018-12-24 | 2019-04-16 | 暨南大学 | A kind of preparation method and microwave photon filter of microcavity coupled system |
| CN109704562A (en) * | 2019-02-28 | 2019-05-03 | 浙江师范大学 | A kind of quartz capillary microvesicle production method based on arc discharge |
| CN109848413A (en) * | 2019-01-30 | 2019-06-07 | 复旦大学 | Increasing material manufacturing process monitoring system based on multisensor coupling |
| CN113311542A (en) * | 2020-02-27 | 2021-08-27 | 东北大学秦皇岛分校 | Method for manufacturing silicon dioxide microspheres for improving Q value of whispering gallery mode resonant cavity |
| CN115840264A (en) * | 2022-12-06 | 2023-03-24 | 厦门大学 | Microsphere lens group and full-microsphere optical nano microscope |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1963583A (en) * | 2006-12-01 | 2007-05-16 | 哈尔滨工程大学 | Melting and pulling method for manufacturing optical tweezers of parabolic microstructure single fiber |
| CN101244487A (en) * | 2007-12-28 | 2008-08-20 | 清华大学 | Material surface laser micromachining method and apparatus based on optic fiber focus |
| JP2008296254A (en) * | 2007-05-31 | 2008-12-11 | Disco Abrasive Syst Ltd | Laser beam machining apparatus |
| JP4266830B2 (en) * | 2002-01-10 | 2009-05-20 | 日本電気株式会社 | Method for aligning microspheres with liquid, and microsphere alignment apparatus |
-
2012
- 2012-11-16 CN CN201210462296.XA patent/CN102922131B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4266830B2 (en) * | 2002-01-10 | 2009-05-20 | 日本電気株式会社 | Method for aligning microspheres with liquid, and microsphere alignment apparatus |
| CN1963583A (en) * | 2006-12-01 | 2007-05-16 | 哈尔滨工程大学 | Melting and pulling method for manufacturing optical tweezers of parabolic microstructure single fiber |
| JP2008296254A (en) * | 2007-05-31 | 2008-12-11 | Disco Abrasive Syst Ltd | Laser beam machining apparatus |
| CN101244487A (en) * | 2007-12-28 | 2008-08-20 | 清华大学 | Material surface laser micromachining method and apparatus based on optic fiber focus |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103345021A (en) * | 2013-06-28 | 2013-10-09 | 厦门大学 | Method for manufacturing hemi-spherical optical micro-resonant-cavity |
| CN103311788B (en) * | 2013-06-28 | 2015-10-14 | 厦门大学 | A kind of preparation method of bottle-type optical micro resonant cavity |
| CN103311788A (en) * | 2013-06-28 | 2013-09-18 | 厦门大学 | Preparation method of bottle-type optical micro resonant cavity |
| CN105855695A (en) * | 2016-05-11 | 2016-08-17 | 四川大学 | Rotary uniformly heated microprobe tip hot forming device |
| CN106384931A (en) * | 2016-11-10 | 2017-02-08 | 濮阳光电产业技术研究院 | Swept laser based on optical fluid |
| CN106384931B (en) * | 2016-11-10 | 2019-10-11 | 濮阳光电产业技术研究院 | Frequency swept laser based on light fluid |
| CN106914701B (en) * | 2017-03-01 | 2019-08-16 | 绍兴创新激光科技有限公司 | A kind of robotic laser welding method and system |
| CN106914701A (en) * | 2017-03-01 | 2017-07-04 | 绍兴创新激光科技有限公司 | A kind of robotic laser's welding method and system |
| CN107631998A (en) * | 2017-10-07 | 2018-01-26 | 六安市华海电子器材科技有限公司 | A kind of portable spectrometer and method for liquid detection |
| CN107764294A (en) * | 2017-11-03 | 2018-03-06 | 中国航空工业集团公司北京长城计量测试技术研究所 | A kind of optical fiber Fabry-Perot sensor welding packaging system |
| CN107764294B (en) * | 2017-11-03 | 2020-01-10 | 中国航空工业集团公司北京长城计量测试技术研究所 | Fusion welding packaging device for optical fiber Fabry-Perot sensor |
| CN108429126B (en) * | 2018-02-06 | 2020-09-25 | 哈尔滨工程大学 | Thulium-doped microsphere cavity laser and preparation method thereof |
| CN108429126A (en) * | 2018-02-06 | 2018-08-21 | 哈尔滨工程大学 | One kind mixing thulium microballoon cavity laser and preparation method thereof |
| CN109633821A (en) * | 2018-12-24 | 2019-04-16 | 暨南大学 | A kind of preparation method and microwave photon filter of microcavity coupled system |
| CN109633821B (en) * | 2018-12-24 | 2020-10-27 | 暨南大学 | Preparation method of microcavity coupling system and microwave photon filter |
| CN109848413A (en) * | 2019-01-30 | 2019-06-07 | 复旦大学 | Increasing material manufacturing process monitoring system based on multisensor coupling |
| CN109704562A (en) * | 2019-02-28 | 2019-05-03 | 浙江师范大学 | A kind of quartz capillary microvesicle production method based on arc discharge |
| CN113311542A (en) * | 2020-02-27 | 2021-08-27 | 东北大学秦皇岛分校 | Method for manufacturing silicon dioxide microspheres for improving Q value of whispering gallery mode resonant cavity |
| CN113311542B (en) * | 2020-02-27 | 2022-09-23 | 东北大学秦皇岛分校 | Method for manufacturing silicon dioxide microspheres for improving Q value of whispering gallery mode resonant cavity |
| CN115840264A (en) * | 2022-12-06 | 2023-03-24 | 厦门大学 | Microsphere lens group and full-microsphere optical nano microscope |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102922131B (en) | 2014-12-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102922131B (en) | Optical fiber microsphere preparation device | |
| CN104852259B (en) | Drop Whispering-gallery-mode laser and preparation method thereof | |
| CN104698539A (en) | Optic fiber surface plasmon polariton excitation focusing device and manufacturing method thereof | |
| CN102147499B (en) | Optical fibre fused tapering method using high-frequency pulse carbon dioxide laser as heat source | |
| US3780295A (en) | Light source coupler for optical waveguide | |
| US20180372961A1 (en) | Photonic crystal fiber assembly | |
| CN100432727C (en) | Laser beam incident optical device | |
| CN202134793U (en) | Semiconductor laser | |
| CN101013789B (en) | Fiber laser beam processing apparatus | |
| CN108548795A (en) | A kind of humidity sensor based on Optical Microsphere type resonant cavity | |
| Shiraishi et al. | A new lensed-fiber configuration employing cascaded GI-fiber chips | |
| WO2014052557A1 (en) | Method of measuring multi-mode fiber bandwidth through accessing one fiber end | |
| US20030174962A1 (en) | Low-loss optical fiber tap with integral reflecting surface | |
| CN110244401A (en) | Single mode sapphire fiber grating and preparation method thereof | |
| CN112596168B (en) | Vortex light beam generating method and device based on annular spiral fiber grating resonator | |
| CN202837591U (en) | Diaphragm type optical fiber laser coupler | |
| CN114518625B (en) | LED coupling optical fiber system and preparation method thereof | |
| CN102096155B (en) | Mie scattering-based structural unit for optical fiber attenuator and application thereof | |
| CN204790068U (en) | High -power optical collimator | |
| JP3616817B2 (en) | Fiber optic light source | |
| CN111323869A (en) | Microstructure optical fiber for transmitting optical information and optical energy together | |
| CN213843590U (en) | Annular spiral fiber grating resonator and vortex light beam generating device | |
| CN204479807U (en) | A kind of CO 2laser closes beam-focuser system | |
| CN207882483U (en) | A kind of optical fiber and laser | |
| CN100405417C (en) | Apparatus for applying fiber-optic telecommunication technology on photoelectric transit data telecommunication |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20201116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |